| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 05/03/2001 | DE19949868A1 Production of carbon bodies used for anodes in molten aluminum electrolysis comprises mixing dry material and pitch to form anode material, and molding into anodes by applying various pressing forces within size tolerance region |
| 05/03/2001 | CA2387414A1 Aluminum electrowinning cell with sidewalls resistant to molten electrolyte |
| 05/03/2001 | CA2384318A1 Low temperature operating cell for the electrowinning of aluminium |
| 05/03/2001 | CA2384285A1 Drained-cathode aluminium electrowinning cell with improved electrolyte circulation |
| 04/24/2001 | US6221233 Smelting aluminum from alumina, extracting aluminum cations |
| 04/24/2001 | US6221232 Electrolytic refining method for gallium and apparatus for use in the method |
| 04/24/2001 | CA2192707C Carbonaceous block with high thermal shock resistance |
| 04/19/2001 | WO2001027353A1 Cathode collector bar with spacer for improved heat balance |
| 04/17/2001 | US6217739 Electrolytic production of high purity aluminum using inert anodes |
| 04/17/2001 | US6217675 Ultra low carbon steel sheet containing titanium and/or niobium, wherein relationship between contents of carbon and molybdenum in solid solution are regulated in specified range |
| 04/04/2001 | EP1088113A1 Removal of oxygen from metal oxides and solid solutions by electrolysis in a fused salt |
| 04/04/2001 | EP0793527B1 Method for separating substances from a gaseous medium by dry adsorption |
| 03/28/2001 | EP1086257A1 Method and apparatus for the treatment of a melt |
| 03/28/2001 | EP1086035A1 Method for conveying on high-density bed powder materials and device with potential fluidisation for implementing same |
| 03/27/2001 | CA2192290C Method for feeding loose material into an electrolyzer for production of aluminum |
| 03/22/2001 | WO2001020061A1 A carbon electrode and a method for producing such an electrode |
| 03/22/2001 | CA2382685A1 A carbon electrode and a method for producing such an electrode |
| 03/21/2001 | CN1288077A Prepn. of mixed rare-earth metals by direct electrolysis of fluoro-carbon-cerium ore concentrate |
| 03/08/2001 | DE19940069A1 Verfahren zur elektrochemischen Herstellung eines Alkalimetalls aus wäßriger Lösung A method for the electrochemical production of an alkali metal from an aqueous solution |
| 03/01/2001 | WO2001014616A1 Method for electrochemically producing an alkali metal from an aqueous solution |
| 02/28/2001 | EP1078115A1 System and method for predicting impending anode effect in aluminum reduction cells |
| 02/27/2001 | US6194096 Carbon body is treated by immersing the body in a treating liquid containing a soluble boron compound and at least one additive such as aluminum compounds, calcium compounds, silicon compounds, or aluminum in powder form in suspension |
| 02/22/2001 | WO2001013379A1 Process for separating metals |
| 02/22/2001 | WO2001012881A1 Anode assembly |
| 02/21/2001 | CN2420290Y Permanent anode conductive electrode for electrolytic aluminium industry |
| 02/21/2001 | CN1284572A Gas roast starting process and equipment for aluminium-electrolyzing pre-roaster |
| 02/14/2001 | EP0730677B1 Refractory/carbon components of aluminium production cells |
| 02/13/2001 | US6187168 Producing a metal by reduction of a metal oxide dissolved in a molten salt bath containing at least one chloride and at least one fluoride |
| 02/13/2001 | US6187163 Method for plutonium-gallium separation by anodic dissolution of a solid plutonium-gallium alloy |
| 02/07/2001 | CN2418134Y Preroasting anode steel-claw protective cover for aluminium |
| 02/07/2001 | CN1061758C Temp detecting sensor |
| 02/06/2001 | US6183620 Process for controlling the A1F3 content in cryolite melts |
| 01/31/2001 | EP1072694A1 Method for producing high purity primary metal of aluminum |
| 01/31/2001 | CN1281907A Method for cleaning fluorinated flur gas produced by aluminium electrolysis |
| 01/30/2001 | US6180182 Hard and abrasion resistant surfaces protecting cathode blocks of aluminium electrowinning |
| 01/25/2001 | WO2001006039A1 Method and device for controlling the movement of a supply and breaking chisel in an aluminium production cell |
| 01/24/2001 | EP1070158A1 Fused bath electrolysis cell for producing aluminium by hall-heroult process comprising cooling means |
| 01/24/2001 | CN2416112Y Pre-roasting anode aluminium electrolytic bath roaster |
| 01/24/2001 | CN2416111Y External heating electric roaster |
| 01/18/2001 | WO2000063463A3 Aluminium electrowinning cells having a v-shaped cathode bottom |
| 01/10/2001 | CN1279304A Electrolytic batteries for production of alkali metals |
| 12/27/2000 | EP1062382A1 Distribution of alumina-rich electrolyte in aluminium electrowinning cells |
| 12/26/2000 | CA2088482C Ledge-free aluminium smelting cell |
| 12/20/2000 | CN1277639A Cold rolled steel sheet excellent in baking hardenability |
| 12/20/2000 | CN1059717C Solid electrolyte electrolysis deoxidation apparatus |
| 12/19/2000 | US6162334 Inert anode containing base metal and noble metal useful for the electrolytic production of aluminum |
| 12/19/2000 | US6161307 Fluid bed system for cooling hot spent anode butts |
| 12/14/2000 | DE19926724A1 Elektrolysezelle zur Herstellung eines Alkalimetalls An electrolytic cell for the production of an alkali metal |
| 12/13/2000 | EP1059366A2 Electrolytic cell for producing an alkali metal |
| 12/12/2000 | US6159603 Producing packing material, anode mass or collar mass, by mixing carbon-containing particles resulting from electrolytic production of aluminum a binder, and silicon dioxide (sio.sub.2), and forming the resultant mixture into granules |
| 12/05/2000 | US6156183 Cladding tube separation process of heating processing target at temperature higher than melting point of magnesium alloy cladding tube and lower than melting point of metallic nuclear fuel material to smelt and separate magnesium alloy |
| 11/29/2000 | EP1055019A1 Drained cathode aluminium electrowinning cell with improved alumina distribution |
| 11/28/2000 | US6153066 Tool holding device for the extraction and transfer of anodes in the center of an aluminum factory and equipment for operating such |
| 11/15/2000 | CN2405943Y Heating device for carbon cube suitable to aluminium electrolytic tank |
| 11/15/2000 | CN1273285A Process for preparing aluminium alloy |
| 11/15/2000 | CN1273284A Carbon block as cathode with compound titanium boride-carbon layer and its preparing process |
| 11/14/2000 | US6146513 Electrodes, electrolysis apparatus and methods using uranium-bearing ceramic electrodes, and methods of producing a metal from a metal compound dissolved in a molten salt, including the electrowinning of aluminum |
| 11/08/2000 | EP1049818A1 Non-carbon metal-based anodes for aluminium production cells |
| 11/08/2000 | EP1049817A1 Slurry for coating non-carbon metal-based anodes for aluminium production cells |
| 11/08/2000 | EP1049816A1 Electrocatalytically active non-carbon metal-based anodes for aluminium production cells |
| 11/08/2000 | EP1049815A1 Surface coated non-carbon metal-based anodes for aluminium production cells |
| 11/02/2000 | WO2000065130A1 Molten salt bath circulation design for an electrolytic cell |
| 11/02/2000 | CA2367634A1 Molten salt bath circulation design for an electrolytic cell |
| 10/31/2000 | US6139704 Application of refractory borides to protect carbon-containing components of aluminum production cells |
| 10/26/2000 | WO2000063630A1 Protection coating of wear-exposed components used for refining molten metal |
| 10/26/2000 | WO2000063464A1 Electrolytic cell with improved alumina feed device |
| 10/26/2000 | WO2000063463A2 Aluminium electrowinning cells having a v-shaped cathode bottom |
| 10/26/2000 | CA2369459A1 Electrolytic cell with improved alumina feed device |
| 10/26/2000 | CA2369450A1 Aluminium electrowinning cells having a v-shaped cathode bottom |
| 10/26/2000 | CA2369431A1 Protection coating of wear-exposed components used for refining molten metal |
| 10/25/2000 | CN1057802C Method for preparing thin tungsten powder by using molten-salt electrolysis |
| 10/24/2000 | US6136177 Anode and cathode current monitoring |
| 10/18/2000 | CN1270239A Aluminium electrolyzer anode and its making method |
| 10/17/2000 | US6132574 Bottom lining for electrolytic cells and process for its manufacture |
| 10/17/2000 | US6132571 System for predicting impending anode effects in aluminum cells |
| 10/17/2000 | CA2158353C Carbon-based bodies in particular for use in aluminium production cells |
| 10/11/2000 | CN1269430A Method for electrochemically producing lithium |
| 10/10/2000 | US6129821 Electrolytic cells; exhaust where chlorine gas by-product is collectively sucked by an aspirator through branched pipes, each equipped with automatic valve whose opening is controlled to a target value by a pressure detector |
| 10/10/2000 | CA2154887C Production of carbon-based composite materials as components of aluminium production cells |
| 10/10/2000 | CA2088483C Aluminium smelting cell |
| 10/05/2000 | DE19914221A1 Verbessertes Verfahren zur elektrochemischen Herstellung von Lithium An improved process for the electrochemical production of lithium |
| 10/04/2000 | EP1041177A1 Process for the electrochemical production of lithium |
| 10/03/2000 | US6126809 Method for controlling the feed of alumina to electrolysis cells for production of aluminum |
| 10/03/2000 | US6126799 Heating at an elevated temperature and in oxygen atmosphere for making a cermet anode suitable for use in production of a metal by electrolytic reduction |
| 09/22/2000 | CA2301487A1 Method and production line for production of magnesium and chlorine |
| 09/20/2000 | EP1037042A1 Submergable sensor, mesuring device and methode for monitoring a aluminium electrolytic cell |
| 09/14/2000 | WO2000054040A1 Immersion sensor, set-up of measuring instruments and measuring method for monitoring aluminium electrolysis cell |
| 09/14/2000 | WO2000053826A1 Electrolytic production of magnesium |
| 09/13/2000 | CN2396062Y Waste gas separated self-baking side-inserted aluminium electrolytic tank |
| 09/12/2000 | US6117303 Consisting essentially of about 20 to 40 wt % sodium chloride, 30 to 50 wt % barium chloride, 15 to 30 wt % calcium chloride, and 0.2 to 13 wt % lithium chloride |
| 09/12/2000 | US6117302 Fuel cell aluminum production |
| 09/05/2000 | US6113758 Porous non-carbon metal-based anodes for aluminium production cells |
| 09/05/2000 | US6113756 Cathode construction |
| 08/29/2000 | US6110436 Defluorination of a fluorinated compound |
| 08/16/2000 | EP1028172A1 Cold rolled steel sheet excellent in baking hardenability |
| 08/16/2000 | EP1028084A1 Hoisting device for the replacement of the anodes in the electrolytic cells for aluminium production |
| 08/16/2000 | CN1263171A Aluminium electrolytic flue dry-coagulation static purification method |
| 08/15/2000 | US6103091 Production of bodies of refractory borides for use in aluminum electrowinning cells |
| 08/15/2000 | US6103090 Electrocatalytically active non-carbon metal-based anodes for aluminium production cells |
| 08/10/2000 | WO2000046429A1 Electrolytic cell arrangement for production of aluminium |